[INFO] fetching crate vb_accumulator 0.19.0... [INFO] checking vb_accumulator-0.19.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate vb_accumulator 0.19.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate vb_accumulator 0.19.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate vb_accumulator 0.19.0 [INFO] finished tweaking crates.io crate vb_accumulator 0.19.0 [INFO] tweaked toml for crates.io crate vb_accumulator 0.19.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 89 packages [INFO] [stderr] Adding darling v0.13.4 (latest: v0.20.8) [INFO] [stderr] Adding darling_core v0.13.4 (latest: v0.20.8) [INFO] [stderr] Adding darling_macro v0.13.4 (latest: v0.20.8) [INFO] [stderr] Adding dock_crypto_utils v0.16.0 (latest: v0.17.0) [INFO] [stderr] Adding dock_merlin v2.0.0 (latest: v3.0.0) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding hashbrown v0.13.2 (latest: v0.14.3) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding schnorr_pok v0.16.0 (latest: v0.17.0) [INFO] [stderr] Adding serde_with v1.14.0 (latest: v3.7.0) [INFO] [stderr] Adding serde_with_macros v1.5.2 (latest: v3.7.0) [INFO] [stderr] Adding strsim v0.10.0 (latest: v0.11.1) [INFO] [stderr] Adding syn v1.0.109 (latest: v2.0.58) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-sys v0.48.0 (latest: v0.52.0) [INFO] [stderr] Adding windows-targets v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_i686_msvc v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4) [INFO] [stderr] Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0de13012f53364326e05ec28629db71929743c440d6b6ffa1e97d0c228551613 [INFO] running `Command { std: "docker" "start" "-a" "0de13012f53364326e05ec28629db71929743c440d6b6ffa1e97d0c228551613", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0de13012f53364326e05ec28629db71929743c440d6b6ffa1e97d0c228551613", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0de13012f53364326e05ec28629db71929743c440d6b6ffa1e97d0c228551613", kill_on_drop: false }` [INFO] [stdout] 0de13012f53364326e05ec28629db71929743c440d6b6ffa1e97d0c228551613 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5e2c172da69146d74f2ce43497bf9a15cfc28bbbdc4922fa02bdb42c408bab58 [INFO] running `Command { std: "docker" "start" "-a" "5e2c172da69146d74f2ce43497bf9a15cfc28bbbdc4922fa02bdb42c408bab58", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking ppv-lite86 v0.2.17 [INFO] [stderr] Checking ahash v0.8.11 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Compiling ark-serialize-derive v0.4.2 [INFO] [stderr] Compiling ark-ff-macros v0.4.2 [INFO] [stderr] Compiling darling_core v0.13.4 [INFO] [stderr] Compiling ark-ff-asm v0.4.2 [INFO] [stderr] Checking hashbrown v0.13.2 [INFO] [stderr] Checking blake2 v0.10.6 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-integer v0.1.46 [INFO] [stderr] Checking ark-std v0.4.0 [INFO] [stderr] Checking num-complex v0.4.5 [INFO] [stderr] Checking rmp v0.8.12 [INFO] [stderr] Checking num-bigint v0.4.4 [INFO] [stderr] Checking num-iter v0.1.44 [INFO] [stderr] Compiling darling_macro v0.13.4 [INFO] [stderr] Compiling darling v0.13.4 [INFO] [stderr] Compiling serde_with_macros v1.5.2 [INFO] [stderr] Checking ark-serialize v0.4.2 [INFO] [stderr] Checking num-rational v0.4.1 [INFO] [stderr] Checking num v0.4.1 [INFO] [stderr] Compiling zeroize_derive v1.4.2 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking zeroize v1.7.0 [INFO] [stderr] Checking ark-ff v0.4.2 [INFO] [stderr] Checking serde v1.0.197 [INFO] [stderr] Checking serde_with v1.14.0 [INFO] [stderr] Checking dock_merlin v2.0.0 [INFO] [stderr] Checking rmp-serde v1.1.2 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking ark-poly v0.4.2 [INFO] [stderr] Checking ark-ec v0.4.2 [INFO] [stderr] Checking dock_crypto_utils v0.16.0 [INFO] [stderr] Checking ark-bls12-381 v0.4.0 [INFO] [stderr] Checking schnorr_pok v0.16.0 [INFO] [stderr] Checking vb_accumulator v0.19.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/batch_utils.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | iter::{IntoIterator, Iterator}, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/batch_utils.rs:17:26 [INFO] [stdout] | [INFO] [stdout] 17 | iter::{IntoIterator, Iterator}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/batch_utils.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | vec::Vec, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/persistence.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use ark_std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/positive.rs:94:51 [INFO] [stdout] | [INFO] [stdout] 94 | use ark_std::{cfg_iter, cfg_iter_mut, fmt::Debug, vec::Vec}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/proofs.rs:106:53 [INFO] [stdout] | [INFO] [stdout] 106 | use ark_std::{fmt::Debug, io::Write, rand::RngCore, vec::Vec, UniformRand}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/setup.rs:37:53 [INFO] [stdout] | [INFO] [stdout] 37 | use ark_std::{fmt::Debug, io::Write, rand::RngCore, vec::Vec, UniformRand}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/universal.rs:75:56 [INFO] [stdout] | [INFO] [stdout] 75 | cfg_into_iter, cfg_iter, cfg_iter_mut, fmt::Debug, iter::Iterator, rand::RngCore, vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/universal.rs:76:5 [INFO] [stdout] | [INFO] [stdout] 76 | vec::Vec, One, UniformRand, Zero, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/witness.rs:104:52 [INFO] [stdout] | [INFO] [stdout] 104 | use ark_std::{cfg_into_iter, cfg_iter, fmt::Debug, vec::Vec}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `IntoIterator` is imported redundantly [INFO] [stdout] --> src/batch_utils.rs:17:12 [INFO] [stdout] | [INFO] [stdout] 17 | iter::{IntoIterator, Iterator}, [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `IntoIterator` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/batch_utils.rs:17:26 [INFO] [stdout] | [INFO] [stdout] 17 | iter::{IntoIterator, Iterator}, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/persistence.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use ark_std::iter::Iterator; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/proofs.rs:106:53 [INFO] [stdout] | [INFO] [stdout] 106 | use ark_std::{fmt::Debug, io::Write, rand::RngCore, vec::Vec, UniformRand}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `UniformRand` is imported redundantly [INFO] [stdout] --> src/proofs.rs:1576:9 [INFO] [stdout] | [INFO] [stdout] 1566 | use super::*; [INFO] [stdout] | -------- the item `UniformRand` is already imported here [INFO] [stdout] ... [INFO] [stdout] 1576 | UniformRand, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Vec` is imported redundantly [INFO] [stdout] --> src/setup.rs:37:53 [INFO] [stdout] | [INFO] [stdout] 37 | use ark_std::{fmt::Debug, io::Write, rand::RngCore, vec::Vec, UniformRand}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:144:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Vec` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Iterator` is imported redundantly [INFO] [stdout] --> src/universal.rs:75:56 [INFO] [stdout] | [INFO] [stdout] 75 | cfg_into_iter, cfg_iter, cfg_iter_mut, fmt::Debug, iter::Iterator, rand::RngCore, vec, [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Iterator` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.43s [INFO] running `Command { std: "docker" "inspect" "5e2c172da69146d74f2ce43497bf9a15cfc28bbbdc4922fa02bdb42c408bab58", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e2c172da69146d74f2ce43497bf9a15cfc28bbbdc4922fa02bdb42c408bab58", kill_on_drop: false }` [INFO] [stdout] 5e2c172da69146d74f2ce43497bf9a15cfc28bbbdc4922fa02bdb42c408bab58